/**
 * Created by Administrator on 2016/11/16.
 */
//链接数据库
    //1.引入数据库的配置文件
var setting = require('../setting')
//2.引入链接数据库的mongodb模块
var Db = require('mongodb').Db

var Connection = require('mongodb').Connection
var Server = require('mongodb').Server

//3.创建数据库链接对象
module.exports = new Dn(setting.db,new Server(settings.host,settings.port),{safe:true})












